%0 Journal Article
%A T. Ya. Azizov
%A V. L. Khatskevich
%T Some applications of the theory of operators in Krein spaces to the solvability of nonlinear Hamiltonian systems
%J Matematičeskie zametki
%D 1991
%P 3-9
%V 50
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZM_1991_50_4_a0/
%G ru
%F MZM_1991_50_4_a0